计算机图形学中最重要的就是理解光以及它如何与表面相互作用。
The truth is, if you asked me to choose between winning the Tour de France and cancer, I would choose cancer. Odd as it sounds, I would rather have the title of cancer survivor than winner of the Tour, because of what it has done for me as a human being, a man, a husband, a son, and a father.